Structural frame



FIG. 1 is a first top perspective view of a structural frame of a new, original, and ornamental design;

FIG. 2 is a second top front side perspective view of a structural frame of a new, original, and ornamental design;

FIG. 3 is a front side elevational view of a structural frame of a new, original, and ornamental design;

FIG. 4 is a back side elevational view of a structural frame of a new, original, and ornamental design;

FIG. 5 is a right side elevational view of a structural frame of a new, original, and ornamental design;

FIG. 6 is a left side elevational view of a structural frame of a new, original, and ornamental design;

FIG. 7 is a top view of a structural frame of a new, original, and ornamental design; and,

FIG. 8 is a bottom view of a structural frame of a new, original, and ornamental design. 

CLAIM The ornamental design for a structural frame, as shown and described. 